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Finding the Fourth Proportional to 7,360, 11,040 and 1,888

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Solution

The fourth proportional to 7,360, 11,040 and 1,888 is: 2,832

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360 : 11,040 = 1,888 : x
  2. Step 2: Convert to fraction form
    7,360/11,040 = 1,888/x
  3. Step 3: Cross multiply
    7,360x = 11,040 × 1,888
  4. Step 4: Simplify right side
    7,360x = 20,843,520
  5. Step 5: Solve for x
    x = 20,843,520/7,360
  6. Step 6: Final answer
    x = 2,832

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.